We've shown you how to create a streaming, motion-detecting surveillance system with a few webcams, but if you want to watch the outside of your house, you're going to be running a lot of cable. Redditor cheapguitar came up with this clever mod for your outdoor cameras, which connects them via Wi-Fi and charges them with solar power.

You don't need expensive software or a new camera to keep an eye on things at home. Whether…
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Since the camera connects to the rest of your system via Wi-Fi, you'll have no wires running back to your computer, and the solar power keeps you from having to connect A/C cables. Along with his Wi-Fi capable webcam, he's also using a DIY tupperware enclosure for the camera, a small set of solar charging panels, and a car battery (though we imagine there's a much easier way to do this with smaller batteries). Hit the link to see a parts list and some more pictures of the setup.